Dr. Lida Zhen M.D.

The hepatitis virus is one of the liver’s greatest enemies. It causes infections that can severely malfunction the liver, resulting in various conditions like scarring of the liver, liver failure, or even liver cancer. The hepatitis viruses have three types, namely, A, B, and C. While all three...

A dark stool refers to a stool that is either black or dark red in color. You may pass dark bowel movements after consuming dark-colored foods or when an injury or bleeding is present in your gastrointestinal tract. If you pass dark or bloody stools, see your doctor immediately to rule out serious...

Gallbladder SurgeryGallbladder removal surgery is one of the most commonly performed surgeries. The procedure is also known as a cholecystectomy. Gallbladder surgery is usually performed to solve problems that are associated with gallstones. Gallstones are hardened deposits of the digestive fluid...

Casey Abrams is a young man who suffers from ulcerative colitis. He is also the Season 10 American Idol finalist, and in 2011 he was hospitalized while singing in the famous competition because of a flare of his ulcerative colitis. Though he had to suffer through some very serious health issues,...

The structure of the esophagus:The esophagus is a muscular tube of about 25 cm in length. It is lined by the non-keratinized stratified squamous epithelium, which abruptly changes to gastric epithelium at the gastroesophageal junction. The stomach is a very acidic environment that has special types...

Anemia is a medical condition in which the count of red blood cells in the blood is lower than the normal number. This can occur due to many reasons such as deficiency of some vitamin, iron or it can also be hereditary. It is one of the most common disorders of blood and there are reports suggesting...